
HAMILTON VisiFerm DO Arc 325 H2 Dissolved Oxygen Sensor (4 ppb ~ 25 ppm)
Manufacturer: HAMILTON Model: VisiFerm DO Arc 325 H2 P/N: 243666-142 - Contact
a-length: 325 mm
Electrical Connector: VP8
Sensor Output Arc: Modbus, 4 to 20 mA
Measurement Principle: Oxygen dependent luminescence quenching, temperature compensation
Measuring Range: 4 ppb to 25 ppm (DO) 0 to 62.85 %-vol or 0 to 300 %-sat
Accuracy at 25 °C: 1 ± 0.05 %-vol; 21 ± 0.2 %-vol; 50 ± 0.5 %-vol
Drift at Room Temperature: < 1 % per week
Additional specifications
Sensor Cap: ODO Cap H2
Electrolyte: None
Oxygen Consumption: None
Temperature Sensor: NTC 22 kOhm
Configurable Values: DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (dissolved oxygen); Temperature: °C, °F, K
Diameter: 12 mm
Process Connection: PG13,5
Wetted Parts: Stainless Steel 1.4435
PTFE (Polytetrafluoroethylene)
EPDM (Ethylene propylene elastomer)
See compliance details in Material Specification document
Surface Quality of Steel: Ra < 0.4 µm (N5)
Analog Interface 1: 4 to 20 mA for DO, programmable, galvanically not isolated; pulse width modulation 5 kHz
Digital Interface: RS485 Modbus (max. 32 addresses)
Baud Rate: 4800, 9600, 19200, 38400, 57600,115200 Bd
Operating Voltage: 7 to 30 VDC max. 1 W
Serial Number: Yes
Response Time: t98% < 60 s at 25 °C
Certificate: Yes, with parameter settings and materials used
ATEX Approval: No
IECEx Approval: No
Autoclavable: Yes, max. Temperature 130 °C
CIP: Yes
Steam Sterilizable: Yes, max. Temperature 140 °C
Operating Temperature Range: -10 to 140 °C; the sensor provides no DO reading above 85 °C
Pressure Range bar g: -1 to 12 bar
Required Flow: None
- Quality Engagement
- Easy change and return
- Delivery Avaliable
- Favorable payment